Bosch Rexroth | 4WEH16C7X6EG24N9K4
4WEH16C7X/6EG24N9K4
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The 4WEH16C7X/6EG24N9K4 directional spool valve is manufactured by Bosch Rexroth for the WEH Directional Spool Valves series. It switches hydraulic flow paths in automated machinery by means of electro-hydraulic actuation. The body is sized NG16 with a 4-way port arrangement, and a spool marked C determines the neutral position flow. Command signals reach the pilot stage through a 24 V DC solenoid that matches pilot valve version 6E. A DIN EN 175301-803 K4 connector provides the electrical interface, while a concealed N9 manual override allows mechanical shifting when needed. Installation uses an ISO 4401-07-07-0-05 sub-plate, enabling quick replacement in standardized manifolds.
Pilot oil enters externally at port X and returns externally at port Y, keeping control flow separate from the main circuit. The spool responds once pilot pressure rises to at least 14 bar and remains stable up to 250 bar on the pilot stage. Main ports P, A, and B withstand working pressures to 280 bar, and port T is rated for 250 bar. With a maximum flow of 300 L/min, the valve supports high-capacity cylinders and motors without excessive pressure drop. These limits define reliable performance for the 4WEH16C7X/6EG24N9K4 in medium and heavy duty hydraulic automation.
Technical Specifications
Actuation Type
Electro-Hydraulic
Electrical Connection
DIN EN 175301-803 (K4)
Manual Override
Concealed (N9)
Max Pilot Pressure
250 bar
Max Pressure (p, A, B)
280 bar
Max Pressure Port T
250 bar
Maximum Flow
300 l/min
Min Pilot Pressure
14 bar
Mounting Interface
ISO 4401-07-07-0-05
Pilot Oil Return
External (Y)
Pilot Oil Supply
External (X)
Pilot Valve Version
6E
Solenoid Voltage
24 V DC
Spool Symbol
C
Valve Size
NG16
Way Configuration
4-Way
1620 Old Apex Road
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